正向系統
正向系統(Positive systems[1][2])是指一種系統,在給定正的初始值下,其狀態變數不會是負的。在一些實務應用中常會用到正向系統[3][4],因為這些變數表示實際的物理量,而這些物理量(如濃度、水位、高度等)不會為負值。
正向系統在控制系統的設計中相當重要[5]。例如漸近穩定的正向线性时不变系统可以使用對角二次的李亞普諾夫函數,這在李亞普諾夫分析上的數值追蹤性更好[6]。
相關條目
參考資料
- T. Kaczorek. Positive 1D and 2D Systems. Springer- Verlag, 2002
- L. Farina and S. Rinaldi, Positive Linear Systems; Theory and Applications, J. Wiley, New York, 2000
- Shorten, Robert; Wirth, Fabian; Leith, Douglas. (PDF). IEEE/ACM Transactions on Networking. June 2006, 14 (3): 616–629 [15 February 2023]. S2CID 14066559. doi:10.1109/TNET.2006.876178.
- Tadeo, Fernando; Rami, Mustapha Ait. (PDF). Proceedings of the World Congress on Engineering. July 2010, 1 [15 February 2023].
- Hmamed, Abelaziz; Benzaouia, Abdellah; Rami, Mustapha Ait; Tadeo, Fernando. (PDF). IFAC Proceedings Volumes. 2008, 41 (2): 3934–3939 [15 February 2023]. doi:10.3182/20080706-5-KR-1001.00662.
- Rantzer, Anders. . European Journal of Control. 2015, 24: 72–80. S2CID 31821230. arXiv:1203.0047 . doi:10.1016/j.ejcon.2015.04.004 (英语).
- Ait Rami, M.; Helmke, U.; Tadeo, F. (PDF). . June 2007: 1–6 [15 February 2023]. ISBN 978-1-4244-1281-5. S2CID 15084715. doi:10.1109/MED.2007.4433692. (原始内容 (PDF)存档于5 March 2016).
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